Tsim Sha Tsui...There's two audio shops along the Avenue of Stars selling hi-fi gears like Prologue, Marantz, JBL, Mission..etc.
4th level Gome Bldg. in Mongkok. selling Mordaunt Short, JBL, Marantz, Mission, Gale..etc.
Some shops within the perimeter of Nelson & Argyle Streets in Mongkok district selling Naim products.